58Interior lightThe light bulb inside the refrigerator compartmentcan be reached as follows:- unscrew the light cover securing screw.- unhook the moving part as shown in the figure.If the light does not come on when the dooris open, check that it is screwed into placeproperly. If it still does not light up, changethe bulb.The rating is shown on the light bulbcover.D411D037MAINTENANCEUnplug the appliance before carrying outany maintenance operation.WarningThis appliance contains hydrocarbons in its coolingunit; maintenance and recharging must thereforeonly be carried out by authorized technicians.Periodic cleaningClean the inside with warm water and bicarbonate ofsoda.Rinse and dry thoroughly.Clean the condenser (black grill) and thecompressor at the back of the appliance with abrush or a vacuum cleaner. This operation willimprove the performance of the appliance and saveelectricity consumption.Periods of non-operationWhen the appliance is not in use for long periods,take the following precautions:remove the plug from the wall socket;remove all food;defrost and clean the interior and all accessories;leave the door ajar to allow air to circulate to preventunpleasant smells.DefrostingFrost is automatically eliminated from the evaporatorof the refrigerator compartment every time the motorcompressor stops, during normal use. The defrostwater drains out through a trough into a specialcontainer at the back of the appliance, over themotor compressor, where it evaporates.It is important to periodically clean the defrostwater drain hole in the middle of the refrigeratorcompartment channel to prevent the wateroverflowing and dripping onto the food inside.Use the special cleaner provided, which you willfind already inserted into the drain hole.The freezer compartment, however, will becomeprogressively covered with frost. This should beremoved with the special plastic scraper provided,whenever the thickness of the frost exceeds 4 mm.During this operation it is not necessary to switch offthe power supply or to remove the foodstuffs.Never use sharp metal tools to scrape off frostfrom the evaporator as you could damage it.